If left unopened, colloidal silver should not go bad. There are some exceptions we will get to, but generally, unopened, the answer to “does colloidal silver go bad” is a big no! ... A bottle of colloidal silver should be dark blue-gray, as light reflects off the particles.

What is the shelf life for colloidal silver?

What is the Shelf life of your product? Our Colloidal Silver has a minimum shelf life of two years, however once opened, we do recommend you use it withing 6 months. Glass bottles tend to preserve the delicate charges better over the long term & we know a client who had their Colloidal Silver for over 10 years!

Does colloidal silver have to be refrigerated?

It is absolutely essential to store your Colloidal Silver in a dark place as Colloidal Silver is light sensitive. A bathroom cupboard, bedside drawer or pantry with a door, are all ideal places. Do not store Colloidal Silver in the fridge.